Merge pull request #1004 from Dynamoid/ak/prepare-for-3-13-1

Prepare for a patch release 3.13.1

Merge pull request #994 from Dynamoid/ak/prepare-to-release-3-13-0

Prepare to release 3.13.0

Bump version to 3.12.1

Update a list of supported Ruby and Ruby on Rails version in README.md

Bump version to 3.10.0

Fix CHANGELOG and move some changes into a proper section

Revert "Remove constraint on the pry gem version"

This reverts commit 059a0bc.

Prepare release 3.7.1 (#514)

* Changelog. Prepare for 3.7.1 release

* Change version to 3.7.1

Bump version 3.7.0

Merge pull request #460 from Dynamoid/prepare-3-6-0-release

Prepare 3.6.0 release